CN104002564B - The printing edge circle method for detecting of large UV ink-jet printer - Google Patents
The printing edge circle method for detecting of large UV ink-jet printer Download PDFInfo
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- CN104002564B CN104002564B CN201310059910.2A CN201310059910A CN104002564B CN 104002564 B CN104002564 B CN 104002564B CN 201310059910 A CN201310059910 A CN 201310059910A CN 104002564 B CN104002564 B CN 104002564B
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Abstract
The invention discloses a kind of printing edge circle method for detecting of large UV ink-jet printer, wherein set on this ink spray module photosensory assembly first carries out whole scan program with the first sweep speed, this sensing apparatus is made sequentially to produce the induced voltage signal of corresponding neat below diverse location, to judge the rough coordinates position of two relative sides of this printing material according to the change of induced voltage signal, and define the thin portion scanning area comprising this two relative sides rough coordinates position, this photosensory assembly more in the opposite direction, the second sweep speed being slower than the first sweep speed with one carries out thin portion scanning imaging system to these thin portion scanning areas, and then the boundary coordinate position of two relative sides of this printing material is obtained according to the change of induced voltage signal.
Description
Technical field
The present invention relates to printer technology, particularly relate to a kind of printing edge circle method for detecting of large UV ink-jet printer, by the change of the induced voltage signal of secondary detecting sensing apparatus, to judge the boundary coordinate position printing material two relative side.
Background technology
Because large UV ink-jet printer can print on the thing to be printed of many different materials or thickness, except print speed printing speed faster can be provided, and reach outside stable and consistent print quality, its reliable usefulness also for user saves the work and time that make color separation half tone and complete rapidly printing, makes the advantage that UV ink-jet printer has in competition by bringing the printing solution of diversified economy practicality.
When large UV ink-jet printer is before air exercise printed material prints, program first must finds the position printing material, detect the width printing material further, so just can determine figure to be printed and the relative position printing material when printing.
But, various owing to printing the kind of material, color and thickness, and same print material surface can't as ideal state uniformity for the situation of light reflection and absorption.In addition, because ambient light also can when detecting the edge printing material, have influence on the degree of accuracy of detecting, therefore general printing material edge detection flow process is only applicable to the printing material of particular color, thickness and kind, when must heighten the height of sensor when printing the thickness of material and being thicker, namely sensor is easily subject to ambient light or prints the uneven impact of material material light transmittance and reduce the degree of accuracy of its detecting.
Summary of the invention
In view of this, main purpose of the present invention is the printing edge circle method for detecting providing a kind of large UV ink-jet printer, being suitable for the overwhelming majority prints in the boundary detection program of material, for printing material or the various different environment of variety classes, thickness and color, dynamically judge and revise the disturbed situation of sensing apparatus detection signal.
Another main purpose of the present invention is providing a kind of printing edge circle method for detecting of large UV ink-jet printer, by allowing sensing apparatus when carrying out whole scan program, the thin portion scanning area comprising and print material two relative side is defined according to the change of induced voltage signal, and then in this thin portion scanning area, carry out thin portion scanning imaging system, the boundary coordinate position of two relative sides of this printing material is obtained with the change according to induced voltage signal.
For achieving the above object, technical scheme of the present invention is achieved in that
The printing edge circle method for detecting of large UV ink-jet printer, comprises the following steps:
Placing a dozen printed materials prints on track in one of this large UV ink-jet printer;
One photosensory assembly of one sensing apparatus is moved along first direction with the first sweep speed, and to carry out a whole scan program, this photosensory assembly receives the reflection ray of diverse location below it, makes this sensing apparatus sequentially produce corresponding induced voltage signal;
Change according to induced voltage signal judges the rough coordinates position of two relative sides of this printing material, and defines the thin portion scanning area comprising this two relative sides rough coordinates position;
After completing whole scan program, this photosensory assembly is moved along the second direction contrary with first direction, and when by this thin portion's scanning area, the second sweep speed being slower than the first sweep speed with one carries out a thin portion scanning imaging system, and then obtains the boundary coordinate position of two relative sides of this printing material according to the change of induced voltage signal.
The printing edge circle method for detecting of large UV ink-jet printer provided by the present invention, has the following advantages:
The present invention dynamically can judge the intensity level of induced voltage signal for disturbance factor, to adapt to various unlike material and environment and to detect the marginal position and width thereof that print material exactly.
Accompanying drawing explanation
Fig. 1 is the flow process block diagram of one of the printing edge circle method for detecting of large UV ink-jet printer of the present invention embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiments of the invention, method of the present invention is described in further detail.
Fig. 1 is one of the printing edge circle method for detecting of large UV ink-jet printer of the present invention embodiment, comprises the following steps:
Step 101: place a dozen printed materials and print on track in one of this large UV ink-jet printer;
Step 102: the photosensory assembly of a sensing apparatus is moved along first direction with the first sweep speed, to carry out a whole scan program, this photosensory assembly receives the reflection ray of diverse location below it, makes this sensing apparatus sequentially produce corresponding induced voltage signal;
Step 103: the change according to induced voltage signal judges the rough coordinates position of two relative sides of this printing material, and defines the thin portion scanning area comprising this two relative sides rough coordinates position;
Step 104: after completing whole scan program, this photosensory assembly is moved along the second direction contrary with first direction, and when by this thin portion's scanning area, the second sweep speed being slower than the first sweep speed with one carries out a thin portion scanning imaging system, and then obtains the boundary coordinate position of two relative sides of this printing material according to the change of induced voltage signal.
Wherein, the ink spray module set by this large UV ink-jet printer, can the mode of vertical this printing track, moves around, to carry out the printing of pattern printing above the printing material on track along a slide rail.This large UV ink-jet printer is provided with the base plate perpendicular to this printing track in the both sides printing track, and this base plate is arranged at the lower position of the slide rail of this ink spray module mutually.
This sensing apparatus comprises a photosensory assembly, an analog-digital converter, a comparator and in order to drive the driver module of this photosensory assembly.This photosensory assembly is arranged on the ink spray module set by this large UV ink-jet printer.This photosensory assembly can receive the reflection ray of varying strength according to different situation, and converts different analog voltage signals according to this to.The analog voltage signal that this analog-digital converter produces after receiving reflection ray in order to capture this photosensory assembly, and this analog voltage signal is converted to digital voltage signal.This comparator, in order to the magnitude of voltage of this digital voltage signal and a threshold value to be compared, produces an induced voltage signal according to comparative result, and this induced voltage signal is sent to a main control system.This main control system comprises one can programmed logic assembly and a control unit, wherein this can programmed logic assembly in order to receive from the induced voltage signal of this comparator, and this induced voltage signal is sent to this control unit, utilize the change of these induced voltage signals for this control unit and obtain the real coordinate position of two relative sides of this printing material, and calculating the marginal position and width thereof that print material.This control unit is in order to can programmed logic assembly and send instruction to this driver module and this ink spray module, to drive this ink spray module and this sensing apparatus by this.
During enforcement, a dozen printed materials are placed on this printing track, and are moved to the slide rail lower position of print module.Then this control unit via such as scene can programmed logic gate array (FPGA) can programmed logic assembly, move instruction is to this ink spray module and this photosensory assembly, this ink spray module is moved along the first direction towards slide rail another end with one first sweep speed, a whole scan program is carried out with seasonal sensing apparatus, make photosensory assembly received in sequence base plate from below and print the light that material reflects, and sequentially convert the light received to analog voltage signal.
While carrying out whole scan program, this analog-digital converter sequentially captures the analog voltage signal that photosensory assembly produces, and this analog voltage signal is converted to digital voltage signal, this comparator then sequentially produces induced voltage signal, and can programmed logic assembly and sequentially induced voltage signal is sent to this control unit through this.During whole scan program, the magnitude of voltage of the analog voltage signal that this comparator produces using this photosensory assembly according to the reflection ray of base plate is as the threshold value compared, use and receive the reflection ray from printing material in photosensory assembly through the side printing material, this comparator has the induced voltage signal of higher voltage value by producing, until this photosensory assembly is by printing the opposite side of material.This photosensory assembly, in again receiving the reflection ray of base plate after printing material, makes comparator produce the induced voltage signal with magnitude of voltage identical with reference voltage level.By this, when control unit first time receives the induced voltage signal with higher voltage value, namely the rough coordinates position of the first side of this printing material is judged according to the position of this photosensory assembly, and in time again receiving the induced voltage signal with magnitude of voltage identical with reference voltage level, namely judge the rough coordinates position of the second side of this printing material according to the position of this photosensory assembly, and then define the first thin portion's scanning area comprising this rough coordinates position, first side and the second thin portion scanning area comprising this rough coordinates position, second side.
After completing above-mentioned whole scan program, this Control Component makes this photosensory assembly move along the second direction contrary with first direction, and when by second thin portion's scanning area and first thin portion's scanning area, make photosensory assembly be slower than the second sweep speed of the first sweep speed with one, sequentially a thin portion scanning imaging system is carried out to this two thin portions scanning area.By this, during thin portion scanning imaging system, when this Control Component first time receives the induced voltage signal with higher voltage value, the boundary coordinate position of this printing material second side can be judged according to the position of this photosensory assembly, and in time again receiving the induced voltage signal with magnitude of voltage identical with reference voltage level, the boundary coordinate position of this printing material first side can be judged according to the position of this photosensory assembly.Therefore, this control unit can after completing thin portion scanning imaging system, calculates boundary position and the width thereof of this printing material, to carry out follow-up graphic printing program exactly according to the boundary coordinate position of first, second side.Above-described embodiment is only and illustrates, not restrictive condition of the present invention.
Therefore, the present invention can solve the problem that traditional large UV ink-jet printer easily cannot accurately be detected by external environment and the interference of printed matter material in time detecting printed matter border, make large UV ink-jet printer can carry out the detecting of boundary position widely to the printing material of various material, thickness, to be printed in printed matter by figure to be printed exactly, and then improve the prouctiveness of large UV ink-jet printer.
In sum, according to above the content that discloses, the present invention makes photosensory assembly carry out the thin portion of secondary along ink spray module moving direction to printed matter boundary position and scans detecting, use the change of detecting induced voltage signal and obtain the boundary coordinate position of this printing material two relative side, to be accurately printed in printed matter by figure to be printed, has the value that industry utilizes.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (6)
1. a printing edge circle method for detecting for large UV ink-jet printer, is characterized in that, comprises the steps: that placing a dozen printed materials prints on track in one of this large UV ink-jet printer;
One photosensory assembly of one sensing apparatus is moved along first direction with the first sweep speed, and to carry out whole scan program, this photosensory assembly receives the reflection ray of diverse location below it, makes this sensing apparatus sequentially produce corresponding induced voltage signal;
Change according to induced voltage signal judges the rough coordinates position of two relative sides of this printing material, and defines the thin portion scanning area comprising this two relative sides rough coordinates position;
After completing whole scan program, this photosensory assembly is moved along the second direction contrary with first direction, and when by this thin portion's scanning area, the second sweep speed being slower than the first sweep speed with one carries out a thin portion scanning imaging system, and then obtains the boundary coordinate position of two relative sides of this printing material according to the change of induced voltage signal.
2. the printing edge circle method for detecting of large UV ink-jet printer as claimed in claim 1, it is characterized in that, wherein this sensing apparatus comprises an analog-digital converter, in order to capture the analog voltage signal that this photosensory assembly produces after receiving reflection ray, and this analog voltage signal is converted to digital voltage signal.
3. the printing edge circle method for detecting of large UV ink-jet printer as claimed in claim 2, it is characterized in that, wherein this sensing apparatus comprises a comparator, in order to the magnitude of voltage of this digital voltage signal and a threshold value are compared, produce an induced voltage signal according to comparative result, and this induced voltage signal is sent to a main control system.
4. the printing edge circle method for detecting of large UV ink-jet printer as claimed in claim 3, it is characterized in that, wherein this main control system comprise one can programmed logic assembly and a control unit, this can programmed logic assembly in order to receive from the induced voltage signal of this comparator, and this induced voltage signal is sent to this control unit, utilize the change of all induced voltage signals for this control unit and obtain the real coordinate position of two relative sides of this printing material, and calculating the marginal position and width thereof that print material.
5. the printing edge circle method for detecting of large UV ink-jet printer as claimed in claim 4, it is characterized in that, wherein this can programmed logic assembly be that scene can programmed logic gate array.
6. the printing edge circle method for detecting of large UV ink-jet printer as claimed in claim 1, it is characterized in that, wherein this sensing apparatus is arranged on the ink spray module set by this large UV ink-jet printer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310059910.2A CN104002564B (en) | 2013-02-26 | 2013-02-26 | The printing edge circle method for detecting of large UV ink-jet printer |
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| CN201310059910.2A CN104002564B (en) | 2013-02-26 | 2013-02-26 | The printing edge circle method for detecting of large UV ink-jet printer |
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| CN104002564A CN104002564A (en) | 2014-08-27 |
| CN104002564B true CN104002564B (en) | 2016-03-16 |
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| CN110429208B (en) * | 2018-07-19 | 2022-02-15 | 广东聚华印刷显示技术有限公司 | Glass substrate, and printing method and system of glass substrate |
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| US20090174744A1 (en) * | 2008-01-04 | 2009-07-09 | Seiko Epson Corporation | Fluid ejection device and mounting position determination method |
| US20120050378A1 (en) * | 2010-08-31 | 2012-03-01 | Canon Kabushiki Kaisha | Ink jet recording apparatus and method for detecting faulty discharge in ink jet recording apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010012661A (en) * | 2008-07-02 | 2010-01-21 | Canon Inc | Method of detecting paper end position of inkjet printer, and inkjet printer |
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Patent Citations (9)
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| CN1480336A (en) * | 2002-08-06 | 2004-03-10 | 三星电子株式会社 | Paper edge sensing device and method of executing borderless printing |
| CN1688447A (en) * | 2002-08-21 | 2005-10-26 | 精工爱普生株式会社 | Printer, program, and printing method |
| CN1597332A (en) * | 2003-07-15 | 2005-03-23 | 三星电子株式会社 | Print media edge detection method and apparatus |
| CN1603129A (en) * | 2003-08-29 | 2005-04-06 | 三星电子株式会社 | Method and apparatus for detecting edge of paper and borderless printing method |
| CN1597320A (en) * | 2003-09-18 | 2005-03-23 | 安捷伦科技有限公司 | Print mechanism utilizing an optical imaging sensor to sense the print medium |
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| US20090174744A1 (en) * | 2008-01-04 | 2009-07-09 | Seiko Epson Corporation | Fluid ejection device and mounting position determination method |
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